in 1881 census most likely match is:
Onchan Bogode CORKHILL Edward Head M M 33 Farmer Of 100 Acres Employing 1 Man 2 Lads Onchan IoM
Onchan Bogode CORKHILL Sarah Wife M F 34 --- Douglas IoM
Onchan Bogode CORKHILL Margaret Daur U F 11 Scholar Onchan IoM
Onchan Bogode CORKHILL Eliza Daur U F 9 Scholar Onchan IoM
Onchan Bogode CORKHILL Charles F. Son U M 5 Scholar Onchan IoM
Onchan Bogode CORKHILL Edward J. Son U M 5 --- Onchan IoM
Onchan Bogode NELSON Margret Serv U F 17 General Serv Domestic Lonan IoM
Onchan Bogode CORKHILL Thomas Serv U M 18 Farm Serv (In Door) Lonan IoM
Onchan Bogode GORDON Edward Serv U M 15 Farm Serv (In Door) Onchan IoM

Thomas C. the servant is not indicated as a family member - in a nearby cottage is:
Onchan Bogode Cottage No 3 FELL William Head M M 21 Ag Lab Patrick IoM
Onchan Bogode Cottage No 3 FELL Emily Wife M F 21 --- Onchan IoM
Onchan Bogode Cottage No 3 CORKHILL Jane Mor In Law W F 64 Formerly Laundres Onchan IoM
18 is just about possible for her son

A wealthy widower farmer is the mostly likely to need and be attractive to a 2nd wife some 25 years his junior.
Although he is the only Edward Corkhill there are some 3 or so Edward Corkill that might fit including unmarried 35 yr General Labourer in 4 Atholl Sq.